Maple-Mustard Vinaigrette

Walnut oil is worth seeking out for this tasty dressing; store leftover oil in the refrigerator.

READER'S COMMENT:

"I'll be honest and say that I can never stick to a recipe exactly as given. I wanted to see what it would taste like with a lower fat content, so I cut the walnut oil in half and added a little extra mustard. It was amazing. I can only...